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A supramolecular five-component relay switch that exposes the mechanistic competition of dissociative versus associative binding to cucurbiturils by ratiometric fluorescence monitoring

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Abstract

A putrescine derivative of aminomethyladamantane is established as a ditopic guest with two mutually exclusive binding sites for cucurbit[6]uril and cucurbit[7]uril. A mixture containing both hosts, the ditopic guest, and two fluorescent dyes affords a relay system with a ratiometric fluorescence response and enables a kinetic analysis of the switching mechanism.

Graphical abstract: A supramolecular five-component relay switch that exposes the mechanistic competition of dissociative versus associative binding to cucurbiturils by ratiometric fluorescence monitoring

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Publication details

The article was received on 12 Sep 2019, accepted on 25 Oct 2019 and first published on 25 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC07165B
Chem. Commun., 2019, Advance Article

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    A supramolecular five-component relay switch that exposes the mechanistic competition of dissociative versus associative binding to cucurbiturils by ratiometric fluorescence monitoring

    Y. Liu, W. M. Nau and A. Hennig, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC07165B

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